| Classification | Asteraceae: Erigeron |
| Harvard University Herbaria Barcode(s) | 00006810 |
| Type Status | Syntype |
| Collector | Edw. Palmer |
| Collector number | 20 |
| Country | Mexico |
| State | Coahuila |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Coahuila: Saltillo |
| Date Collected | 1898-04-15 - 1898-04-30 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/eaa5e7d8-e32f-45ec-9995-f4ba99f430b5 |
| Harvard University Herbaria Barcode | 00006810 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Syntype |
| Syntype of | Erigeron calcicola Greenman |
| Verified by | D. E. Boufford (A) |
| Date Determined | 1983 |
| Taxon Reference | (for Erigeron calcicola Greenman) Proc. Amer. Acad. Arts 1905. 41: 256. |
| Family | Asteraceae |
| Determination | Erigeron calcicola Greenman |
| Determined by | G. Nesom |
| Date Determined | 1990 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Erigeron calcicola Greenman |
| Date Determined | 1904-12-29 |
| Family | Asteraceae |
| Determination | Erigeron divergens var. cinereus A. Gray |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
